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» Methods for Dynamic Classifier Selection
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KDD
2004
ACM
139views Data Mining» more  KDD 2004»
14 years 10 months ago
Learning a complex metabolomic dataset using random forests and support vector machines
Metabolomics is the omics science of biochemistry. The associated data include the quantitative measurements of all small molecule metabolites in a biological sample. These datase...
Young Truong, Xiaodong Lin, Chris Beecher
COLING
2000
13 years 11 months ago
Effects of Adjective Orientation and Gradability on Sentence Subjectivity
Subjectivity is a pragmatic, sentence-level feature that has important implications for text processing applications such as information extraction and information retrieval. We s...
Vasileios Hatzivassiloglou, Janyce Wiebe
EOR
2006
97views more  EOR 2006»
13 years 10 months ago
Bayesian portfolio selection with multi-variate random variance models
We consider multi-period portfolio selection problems for a decision maker with a specified utility function when the variance of security returns is described by a discrete time ...
Refik Soyer, Kadir Tanyeri
COMCOM
2008
76views more  COMCOM 2008»
13 years 10 months ago
A study of self-organization mechanisms in ad hoc and sensor networks
Self-organization is a great concept for building scalable systems consisting of a huge number of subsystems. The primary objectives are improved scalability and dynamic adaptatio...
Falko Dressler
CVPR
2009
IEEE
1863views Computer Vision» more  CVPR 2009»
15 years 5 months ago
Abnormal Crowd Behavior Detection using Social Force Model
In this paper we introduce a novel method to detect and localize abnormal behaviors in crowd videos using Social Force model. For this purpose, a grid of particles is placed ove...
Alexis Oyama, Mubarak Shah, Ramin Mehran